CN106675231A - High-hardness coating for shell of aluminum charger and preparation method thereof - Google Patents
High-hardness coating for shell of aluminum charger and preparation method thereof Download PDFInfo
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- CN106675231A CN106675231A CN201611104902.5A CN201611104902A CN106675231A CN 106675231 A CN106675231 A CN 106675231A CN 201611104902 A CN201611104902 A CN 201611104902A CN 106675231 A CN106675231 A CN 106675231A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
- C09D125/04—Homopolymers or copolymers of styrene
- C09D125/08—Copolymers of styrene
- C09D125/14—Copolymers of styrene with unsaturated esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
- C09D161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
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Abstract
The invention discloses a high-hardness coating for a shell of an aluminum charger. Raw materials of the high-hardness coating comprise a styrene-acrylic emulsion, phenolic resin, an aqueous polyurethane emulsion, a silicon-acrylic emulsion, the styrene-acrylic emulsion, attapulgite clay, diatomite, methyl hydroxyethyl cellulose, ethyl cellulose, silica fume, zinc oxide, nano montmorillonite, graphite, coarse whiting, talcum powder, a modifying aid, a thickening agent, a dispersing agent, a flame retardant, a defoaming agent, a silane coupling agent KH-760, diethylene glycol methyl ether, dipropylene glycol methyl ether, propylene glycol phenyl ether and water. The invention also provides a preparation method of the high-hardness coating for the shell of the aluminum charger. The high-hardness coating for the shell of the aluminum charger prepared and obtained by the preparation method provided by the invention is high in hardness and has excellent durability.
Description
Technical field
The present invention relates to metal material protection field, more particularly to a kind of aluminum charger case high hardness spray coating and
Its preparation method.
Background technology
When in use, because its shell is aluminum material, the hardness of aluminum material is not high for aluminum charger, and aluminum charger
Compressed and rubbed against by the external world unavoidably when using, it is therefore desirable to which the outer surface for rushing electric appliance casing in aluminum covers last layer coating pair
The aluminum material of its internal layer is protected, and the hardness of aluminum charger case coating of the prior art cannot meet actually used
When demand, therefore need badly and design a kind of high hardness spray coating of aluminum charger case to solve the problems of the prior art.
The content of the invention
To solve technical problem present in background technology, the present invention proposes that a kind of high rigidity of aluminum charger case is applied
Layer and preparation method thereof, the aluminum charger case coating hardness for preparing is high, with excellent durability.
A kind of high hardness spray coating of aluminum charger case proposed by the present invention, its raw material includes by weight：Phenylpropyl alcohol breast
Liquid 80-120 parts, phenolic resin 60-90 parts, aqueous polyurethane emulsion 40-60 parts, attapulgite 2-8 parts, diatomite 1-6 parts, first
Ethylhydroxyethylcellulose 2-5 parts, ethyl cellulose 3-8 parts, silicon powder 1-5 parts, zinc oxide 3-6 parts, nano imvite 1-6 parts,
Graphite 2-5 parts, powdered whiting 4-6 parts, talcum powder 2-8 parts, modified additive 1-6 parts, thickener 3-9 parts, dispersant 1-4 parts,
Fire retardant 2-5 parts, defoamer 1-3 parts, silane coupler KH-760 1-5 parts, diethylene glycol dimethyl ether 2-4 parts, dipropylene glycol methyl ether
3-5 parts, propane diols phenylate 4-6 parts, water 15-25 parts.
Preferably, modified additive is prepared by following technique：Active calcium silicate and modified heavy calcium carbonate mixing is equal
It is even, stirring at low speed 10-25min is sealed at a temperature of 50-60 DEG C, then with Nano carbon white, calcined kaolin, wood fibre
Powder, hollow glass micropearl and tossa are well mixed, 45-55 DEG C sealing stirring at low speed 5-10min, add magnesium hydroxide,
Methacrylate, Silane coupling reagent KH-570 and lubricant, are warming up to 135-140 DEG C, and stirring at low speed 10-20min discharges,
It is cooled to room temperature and obtains modified additive.
Preferably, in the preparation technology of modified additive, active calcium silicate, modified heavy calcium carbonate, Nano carbon white, calcining
Kaolin, wood fiber powder, hollow glass micropearl, tossa, magnesium hydroxide, methacrylate, silane coupler KH-
570 and lubricant weight ratio be 2-5：1-3：3-5：2-6：3-6：2-4：1-5：2-6：2-4：1-3：2-5.
Preferably, in the preparation technology of modified additive, modified heavy calcium carbonate is prepared by following technique：By eleostearic acid
60-70 DEG C is heated to, 20-40min is incubated, maleic acid is subsequently adding and is well mixed, be continuously heating to 130-150 DEG C, protected
Warm 80-100min, is subsequently adding acetone and water is well mixed, and is stored at room temperature 20-40min, is cooled to room temperature and obtains material a；Will
Powdered whiting is added in high speed dispersor, is warming up to 45-55 DEG C, is subsequently adding material a and is well mixed, and stirs 10-30min,
It is dried to constant weight, crushes, cross 180-220 mesh sieves, is cooled to room temperature and obtains modified heavy calcium carbonate.
Preferably, in the preparation technology of modified additive, in the preparation technology of modified heavy calcium carbonate, eleostearic acid, maleic
The weight ratio of diacid, acetone, water and powdered whiting is 4-6：1-3：2-4：3-6：1-5.
A kind of preparation method of the high hardness spray coating of aluminum charger case of the present invention, comprises the steps：
S1, methyl hydroxyethylcellulose is mixed with aqueous polyurethane emulsion, stir to form dispersion liquid, add phenol
Urea formaldehyde and dispersant, are uniformly mixed rear ultrasonic disperse 20-30min, room temperature is cooled to after ball milling and obtains material a；
S2, attapulgite, diatomite, nano imvite, heavy carbonic acid and silicon powder be put in ball mill carry out ball milling,
Zinc oxide, graphite and talcum powder are subsequently adding, continue to stir 8-16min, form the mixed powder A of surface active；
S3, by methyl hydroxyethylcellulose and ethyl cellulose be heated to melting mix with styrene-acrylic emulsion, then slowly add
Enter mixed powder A, to move to homogenizer after 800 revs/min of speed stirring 40-60min, material a is added, with 3700-
3900 revs/min of Rate Dispersion 20-50min, obtains mixed slurry；
S4, it is slowly added into in mixed slurry silane coupler KH-760, modified additive, thickener, fire retardant, froth breaking
Agent, diethylene glycol dimethyl ether, dipropylene glycol methyl ether, propane diols phenylate and water, with the speed of 380-450r/min 35-45min is stirred,
Then ball milling dispersion 2-3h, obtains final product the high hardness spray coating of aluminum charger case.
Preferably, in S1, Ball-milling Time is 60-90min, and ball milling temperature is 40-45 DEG C.
Preferably, in S2, rotational speed of ball-mill is 2400-2800r/min, and ball milling temperature is 80-90 DEG C, and Ball-milling Time is 30-
50min。
A kind of high hardness spray coating of aluminum charger case of the present invention, its raw material includes styrene-acrylic emulsion, phenolic resin, water
Property polyaminoester emulsion, attapulgite, diatomite, methyl hydroxyethylcellulose, ethyl cellulose, silicon powder, zinc oxide, nanometer cover
De- soil, graphite, powdered whiting, talcum powder, modified additive, thickener, dispersant, fire retardant, defoamer, silane coupler
KH-760, diethylene glycol dimethyl ether, dipropylene glycol methyl ether, propane diols phenylate and water.Wherein with styrene-acrylic emulsion as major ingredient, with phenylpropyl alcohol breast
Liquid is major ingredient, the reinforcement material with phenolic resin and aqueous polyurethane emulsion as major ingredient, with attapulgite, diatomite, methyl hydroxyl second
Base cellulose, ethyl cellulose, silicon powder, zinc oxide, nano imvite, graphite, powdered whiting, talcum powder and modified additive
For filler, with thickener, dispersant, fire retardant, defoamer, silane coupler KH-760, diethylene glycol dimethyl ether, DPG first
Ether, propane diols phenylate and water are auxiliary agent, by major ingredient, the cooperation of the reinforcement material, filler and auxiliary agent of major ingredient, rationally control proportioning,
The aluminum charger case coating for obtaining has high rigidity, high-wear resistance.The modified additive for wherein adding is by by activated silica
Sour calcium and modified heavy calcium carbonate are well mixed, and stirring at low speed are sealed, then with Nano carbon white, calcined kaolin, wooden fibre
Dimension powder, hollow glass micropearl and tossa are well mixed, and seal stirring at low speed, add magnesium hydroxide, methacrylate,
Silane coupling reagent KH-570 and lubricant, stirring at low speed after intensification, discharging is cooled to room temperature and obtains, using silane coupler KH-
570 carry out organic and inorganic effective combination, effectively increase the hardness of aluminum charger case coating of the present invention.That what is added changes
Property powdered whiting by the way that eleostearic acid is heated after be incubated, being subsequently adding maleic acid is well mixed, continue heat up after be incubated,
It is subsequently adding acetone and water is well mixed, be stored at room temperature, is cooled to room temperature and obtains material a；Powdered whiting is added and is divided at a high speed
In scattered machine, add material a to be well mixed after intensification, stir, be dried to constant weight, crush, sieve, be cooled to room temperature and obtain, pass through
The modified powdered whiting surface-active of bucket oleic acid effectively improves, in applying to the preparation of modified additive, using coupling agent
Combined with major ingredient, effectively increased the hardness of aluminum charger case coating of the present invention.The aluminum that the present invention is prepared charges
Device shell coating hardness is high, with excellent durability.
Specific embodiment
The present invention is described in detail with reference to specific embodiment, it should be appreciated that embodiment is served only for illustrating this
It is bright, rather than for limiting the invention, any modification made on the basis of the present invention, equivalent etc. are at this
In bright protection domain.
Embodiment 1
A kind of high hardness spray coating of aluminum charger case proposed by the present invention, its raw material includes by weight：Phenylpropyl alcohol breast
100 parts of liquid, 75 parts of phenolic resin, 50 parts of aqueous polyurethane emulsion, 5 parts of attapulgite, 3.5 parts of diatomite, dimethyl hydroxyethyl are fine
3.5 parts of dimension element, 5.5 parts of ethyl cellulose, 3 parts of silicon powder, 4.5 parts of zinc oxide, 3.5 parts of nano imvite, 3.5 parts of graphite, weight
5 parts of matter calcium carbonate, 5 parts of talcum powder, 3.5 parts of modified additive, 6 parts of thickener, 2.5 parts of dispersant, 3.5 parts of fire retardant, defoamer 2
Part, 3 parts of silane coupler KH-760,3 parts of diethylene glycol dimethyl ether, 4 parts of dipropylene glycol methyl ether, 5 parts of propane diols phenylate, 20 parts of water.
Embodiment 2
A kind of high hardness spray coating of aluminum charger case proposed by the present invention, its raw material includes by weight：Phenylpropyl alcohol breast
80 parts of liquid, 90 parts of phenolic resin, 40 parts of aqueous polyurethane emulsion, 8 parts of attapulgite, 1 part of diatomite, methyl hydroxyethylcellulose
5 parts, it is 3 parts of ethyl cellulose, 5 parts of silicon powder, 3 parts of zinc oxide, 6 parts of nano imvite, 2 parts of graphite, 6 parts of powdered whiting, sliding
2 parts of stone flour, 6 parts of modified additive, 3 parts of thickener, 4 parts of dispersant, 2 parts of fire retardant, 3 parts of defoamer, silane coupler KH-760
1 part, 4 parts of diethylene glycol dimethyl ether, 3 parts of dipropylene glycol methyl ether, 6 parts of propane diols phenylate, 15 parts of water.
Modified additive is prepared by following technique：By weight by 2 parts of active calcium silicates and 3 parts of modified heavy calcium carbonates
Be well mixed, stirring at low speed 25min sealed at a temperature of 50 DEG C, then with 3 parts of Nano carbon whites, 6 parts of calcined kaolins, 3 parts
Wood fiber powder, 4 parts of hollow glass micropearls and 1 part of tossa are well mixed, 55 DEG C of sealing stirring at low speed 5min, add 6
Part magnesium hydroxide, 2 parts of methacrylates, 3 parts of Silane coupling reagent KH-570s and 2 parts of lubricants, are warming up to 140 DEG C, and low speed is stirred
10min is mixed, is discharged, be cooled to room temperature and obtain modified additive.
Embodiment 3
A kind of high hardness spray coating of aluminum charger case proposed by the present invention, its raw material includes by weight：Phenylpropyl alcohol breast
120 parts of liquid, 60 parts of phenolic resin, 60 parts of aqueous polyurethane emulsion, 2 parts of attapulgite, 6 parts of diatomite, methyl hydroxyethyl cellulose
Element 2 parts, 8 parts of ethyl cellulose, 1 part of silicon powder, 6 parts of zinc oxide, 1 part of nano imvite, 5 parts of graphite, 4 parts of powdered whiting,
8 parts of talcum powder, 1 part of modified additive, 9 parts of thickener, 1 part of dispersant, 5 parts of fire retardant, 1 part of defoamer, silane coupler KH-
760 5 parts, 2 parts of diethylene glycol dimethyl ether, 5 parts of dipropylene glycol methyl ether, 4 parts of propane diols phenylate, 25 parts of water.
Modified additive is prepared by following technique：By weight by 5 parts of active calcium silicates and 1 part of modified heavy calcium carbonate
Be well mixed, stirring at low speed 10min sealed at a temperature of 60 DEG C, then with 5 parts of Nano carbon whites, 2 parts of calcined kaolins, 6 parts
Wood fiber powder, 2 parts of hollow glass micropearls and 5 parts of tossas are well mixed, 45 DEG C of sealing stirring at low speed 10min, add 2
Part magnesium hydroxide, 4 parts of methacrylates, 1-3 parts Silane coupling reagent KH-570 and 2 parts of lubricants, are warming up to 140 DEG C, low speed
Stirring 10min, discharging is cooled to room temperature and obtains modified additive.
In the preparation technology of modified additive, modified heavy calcium carbonate is prepared by following technique：By weight by 6 portions of paulownias
Oleic acid is heated to 60 DEG C, is incubated 40min, is subsequently adding 1 part of maleic acid and is well mixed, and is continuously heating to 150 DEG C, insulation
80min, is subsequently adding 4 parts of acetone and 3 parts of water are well mixed, and is stored at room temperature 40min, is cooled to room temperature and obtains material a；By 1 part
Powdered whiting is added in high speed dispersor, is warming up to 55 DEG C, is subsequently adding material a and is well mixed, and stirs 10min, is dried extremely
Constant weight, crushes, and crosses 220 mesh sieves, is cooled to room temperature and obtains modified heavy calcium carbonate.
Embodiment 4
A kind of high hardness spray coating of aluminum charger case proposed by the present invention, its raw material includes by weight：Phenylpropyl alcohol breast
85 parts of liquid, 85 parts of phenolic resin, 45 parts of aqueous polyurethane emulsion, 7 parts of attapulgite, 2 parts of diatomite, methyl hydroxyethylcellulose
4 parts, 4 parts of ethyl cellulose, 4 parts of silicon powder, 4 parts of zinc oxide, 5 parts of nano imvite, 3 parts of graphite, 5.5 parts of powdered whiting,
3 parts of talcum powder, 5 parts of modified additive, 4 parts of thickener, 3 parts of dispersant, 3 parts of fire retardant, 2.5 parts of defoamer, silane coupler KH-
760 2 parts, 3.5 parts of diethylene glycol dimethyl ether, 3.5 parts of dipropylene glycol methyl ether, 5.5 parts of propane diols phenylate, 18 parts of water.
Modified additive is prepared by following technique：By weight by 3 parts of active calcium silicates and 2.5 parts of modified heavy carbonic acid
Calcium is well mixed, and stirring at low speed 20min is sealed at a temperature of 52 DEG C, then with 3.5 parts of Nano carbon whites, 5 parts of calcined kaolins,
4 parts of wood fiber powders, 3.5 parts of hollow glass micropearls and 2 parts of tossas are well mixed, 52 DEG C of sealing stirring at low speed 6min, then
5 parts of magnesium hydroxides, 2.5 parts of methacrylates, 2.5 parts of Silane coupling reagent KH-570s and 3 parts of lubricants are added, 139 are warming up to
DEG C, stirring at low speed 12min, discharging is cooled to room temperature and obtains modified additive.
In the preparation technology of modified additive, modified heavy calcium carbonate is prepared by following technique：By weight by 4.5 parts
Eleostearic acid is heated to 68 DEG C, is incubated 25min, is subsequently adding 2.5 parts of maleic acids and is well mixed, and is continuously heating to 135 DEG C, protects
Warm 95min, is subsequently adding 2.5 parts of acetone and 5 parts of water are well mixed, and is stored at room temperature 25min, is cooled to room temperature and obtains material a；Will
4 parts of powdered whitings are added in high speed dispersor, are warming up to 48 DEG C, are subsequently adding material a and are well mixed, and stir 25min, are dried
To constant weight, crush, cross 185 mesh sieves, be cooled to room temperature and obtain modified heavy calcium carbonate.
A kind of preparation method of the high hardness spray coating of aluminum charger case of the present invention, comprises the steps：
S1, methyl hydroxyethylcellulose is mixed with aqueous polyurethane emulsion, stir to form dispersion liquid, add phenol
Urea formaldehyde and dispersant, are uniformly mixed rear ultrasonic disperse 22min, room temperature is cooled to after ball milling and obtains material a, wherein ball milling
Time is 85min, and ball milling temperature is 41 DEG C；
S2, attapulgite, diatomite, nano imvite, heavy carbonic acid and silicon powder be put in ball mill carry out ball milling,
Wherein, rotational speed of ball-mill is 2500r/min, and ball milling temperature is 88 DEG C, and Ball-milling Time is 35min, be subsequently adding zinc oxide, graphite and
Talcum powder, continues to stir 15min, forms the mixed powder A of surface active；
S3, by methyl hydroxyethylcellulose and ethyl cellulose be heated to melting mix with styrene-acrylic emulsion, then slowly add
Enter mixed powder A, to move to homogenizer after 800 revs/min of speed stirring 45min, material a is added, with 3850 revs/min
Rate Dispersion 25min, obtains mixed slurry；
S4, it is slowly added into in mixed slurry silane coupler KH-760, modified additive, thickener, fire retardant, froth breaking
Agent, diethylene glycol dimethyl ether, dipropylene glycol methyl ether, propane diols phenylate and water, with the speed of 390r/min 42min, Ran Houqiu are stirred
Mill dispersion 2.2h, obtains final product the high hardness spray coating of aluminum charger case.
Embodiment 5
A kind of high hardness spray coating of aluminum charger case proposed by the present invention, its raw material includes by weight：Phenylpropyl alcohol breast
115 parts of liquid, 65 parts of phenolic resin, 55 parts of aqueous polyurethane emulsion, 3 parts of attapulgite, 5 parts of diatomite, methyl hydroxyethyl cellulose
3 parts of element, 7 parts of ethyl cellulose, 2 parts of silicon powder, 5 parts of zinc oxide, 2 parts of nano imvite, 4 parts of graphite, powdered whiting 4.5
Part, 7 parts of talcum powder, 2 parts of modified additive, 8 parts of thickener, 2 parts of dispersant, 4 parts of fire retardant, 1.5 parts of defoamer, silane coupler
4 parts of KH-760,2.5 parts of diethylene glycol dimethyl ether, 4.5 parts of dipropylene glycol methyl ether, 4.5 parts of propane diols phenylate, 22 parts of water.
Modified additive is prepared by following technique：By weight by 4 parts of active calcium silicates and 1.5 parts of modified heavy carbonic acid
Calcium is well mixed, and stirring at low speed 15min is sealed at a temperature of 58 DEG C, then with 4.5 parts of Nano carbon whites, 3 parts of calcined kaolins,
5 parts of wood fiber powders, 2.5 parts of hollow glass micropearls and 4 parts of tossas are well mixed, 48 DEG C of sealing stirring at low speed 9min, then
3 parts of magnesium hydroxides, 3.5 parts of methacrylates, 1.5 parts of Silane coupling reagent KH-570s and 4 parts of lubricants are added, 136 are warming up to
DEG C, stirring at low speed 18min, discharging is cooled to room temperature and obtains modified additive.
In the preparation technology of modified additive, modified heavy calcium carbonate is prepared by following technique：By weight by 5.5 parts
Eleostearic acid is heated to 62 DEG C, is incubated 35min, is subsequently adding 1.5 parts of maleic acids and is well mixed, and is continuously heating to 145 DEG C, protects
Warm 85min, is subsequently adding 3.5 parts of acetone and 4 parts of water are well mixed, and is stored at room temperature 35min, is cooled to room temperature and obtains material a；Will
2 parts of powdered whitings are added in high speed dispersor, are warming up to 52 DEG C, are subsequently adding material a and are well mixed, and stir 15min, are dried
To constant weight, crush, cross 215 mesh sieves, be cooled to room temperature and obtain modified heavy calcium carbonate.
A kind of preparation method of the high hardness spray coating of aluminum charger case of the present invention, comprises the steps：
S1, methyl hydroxyethylcellulose is mixed with aqueous polyurethane emulsion, stir to form dispersion liquid, add phenol
Urea formaldehyde and dispersant, are uniformly mixed rear ultrasonic disperse 28min, room temperature is cooled to after ball milling and obtains material a, wherein ball milling
Time is 65min, and ball milling temperature is 44 DEG C；
S2, attapulgite, diatomite, nano imvite, heavy carbonic acid and silicon powder be put in ball mill carry out ball milling,
Wherein, rotational speed of ball-mill is 2500r/min, and ball milling temperature is 88 DEG C, and Ball-milling Time is 35min, be subsequently adding zinc oxide, graphite and
Talcum powder, continues to stir 15min, forms the mixed powder A of surface active；
S3, by methyl hydroxyethylcellulose and ethyl cellulose be heated to melting mix with styrene-acrylic emulsion, then slowly add
Enter mixed powder A, to move to homogenizer after 800 revs/min of speed stirring 45min, material a is added, with 3850 revs/min
Rate Dispersion 25min, obtains mixed slurry；
S4, it is slowly added into in mixed slurry silane coupler KH-760, modified additive, thickener, fire retardant, froth breaking
Agent, diethylene glycol dimethyl ether, dipropylene glycol methyl ether, propane diols phenylate and water, stir 38in, then ball milling with the speed of 440r/min
Dispersion 2.8h, obtains final product the high hardness spray coating of aluminum charger case.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (8)
1. a kind of high hardness spray coating of aluminum charger case, it is characterised in that its raw material includes by weight：Styrene-acrylic emulsion
80-120 parts, phenolic resin 60-90 parts, aqueous polyurethane emulsion 40-60 parts, attapulgite 2-8 parts, diatomite 1-6 parts, methyl
Hydroxyethyl cellulose 2-5 parts, ethyl cellulose 3-8 parts, silicon powder 1-5 parts, zinc oxide 3-6 parts, nano imvite 1-6 parts, stone
Black 2-5 parts, powdered whiting 4-6 parts, talcum powder 2-8 parts, modified additive 1-6 parts, thickener 3-9 parts, dispersant 1-4 parts, resistance
Combustion agent 2-5 parts, defoamer 1-3 parts, silane coupler KH-760 1-5 parts, diethylene glycol dimethyl ether 2-4 parts, dipropylene glycol methyl ether 3-
5 parts, propane diols phenylate 4-6 parts, water 15-25 parts.
2. the high hardness spray coating of aluminum charger case according to claim 1, it is characterised in that modified additive is by as follows
Technique is prepared：Active calcium silicate and modified heavy calcium carbonate are well mixed, stirring at low speed is sealed at a temperature of 50-60 DEG C
10-25min, then mixes with Nano carbon white, calcined kaolin, wood fiber powder, hollow glass micropearl and tossa
It is even, 45-55 DEG C sealing stirring at low speed 5-10min, add magnesium hydroxide, methacrylate, Silane coupling reagent KH-570 and
Lubricant, is warming up to 135-140 DEG C, and stirring at low speed 10-20min, discharging is cooled to room temperature and obtains modified additive.
3. the high hardness spray coating of aluminum charger case according to claim 1 and 2, it is characterised in that modified additive
In preparation technology, active calcium silicate, modified heavy calcium carbonate, Nano carbon white, calcined kaolin, wood fiber powder, hollow glass
The weight ratio of glass microballon, tossa, magnesium hydroxide, methacrylate, Silane coupling reagent KH-570 and lubricant is 2-5：
1-3：3-5：2-6：3-6：2-4：1-5：2-6：2-4：1-3：2-5.
4. the high hardness spray coating of the aluminum charger case according to any one of claim 1-3, it is characterised in that modified to help
In the preparation technology of agent, modified heavy calcium carbonate is prepared by following technique：Eleostearic acid is heated to into 60-70 DEG C, 20- is incubated
40min, is subsequently adding maleic acid and is well mixed, and is continuously heating to 130-150 DEG C, is incubated 80-100min, is subsequently adding third
Ketone and water are well mixed, and are stored at room temperature 20-40min, are cooled to room temperature and obtain material a；Powdered whiting is added and is disperseed at a high speed
In machine, 45-55 DEG C is warming up to, is subsequently adding material a and is well mixed, stir 10-30min, be dried to constant weight, crushed, cross 180-
220 mesh sieves, are cooled to room temperature and obtain modified heavy calcium carbonate.
5. the high hardness spray coating of the aluminum charger case according to any one of claim 1-4, it is characterised in that modified to help
In the preparation technology of agent, in the preparation technology of modified heavy calcium carbonate, eleostearic acid, maleic acid, acetone, water and heavy carbonic acid
The weight ratio of calcium is 4-6：1-3：2-4：3-6：1-5.
6. a kind of preparation method of the high hardness spray coating of the aluminum charger case according to any one of claim 1-5, its
It is characterised by, comprises the steps：
S1, methyl hydroxyethylcellulose is mixed with aqueous polyurethane emulsion, stir to form dispersion liquid, add phenolic aldehyde tree
Fat and dispersant, are uniformly mixed rear ultrasonic disperse 20-30min, room temperature is cooled to after ball milling and obtains material a；
S2, attapulgite, diatomite, nano imvite, heavy carbonic acid and silicon powder are put in ball mill carry out ball milling, then
Zinc oxide, graphite and talcum powder are added, continues to stir 8-16min, form the mixed powder A of surface active；
S3, by methyl hydroxyethylcellulose and ethyl cellulose be heated to melting mix with styrene-acrylic emulsion, be then slowly added into mixed
Powder A is closed, to move to homogenizer after 800 revs/min of speed stirring 40-60min, material a is added, turned with 3700-3900/
The Rate Dispersion 20-50min for dividing, obtains mixed slurry；
S4, be slowly added into in mixed slurry silane coupler KH-760, modified additive, thickener, fire retardant, defoamer,
Diethylene glycol dimethyl ether, dipropylene glycol methyl ether, propane diols phenylate and water, stir 35-45min, so with the speed of 380-450r/min
Afterwards ball milling dispersion 2-3h, obtains final product the high hardness spray coating of aluminum charger case.
7. the preparation method of the high hardness spray coating of aluminum charger case according to claim 6, it is characterised in that S1
In, Ball-milling Time is 60-90min, and ball milling temperature is 40-45 DEG C.
8. the preparation method of the high hardness spray coating of the aluminum charger case according to claim 6 or 7, it is characterised in that
In S2, rotational speed of ball-mill is 2400-2800r/min, and ball milling temperature is 80-90 DEG C, and Ball-milling Time is 30-50min.
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| CN107652828A (en) * | 2017-11-10 | 2018-02-02 | 天长市优信电器设备有限公司 | A kind of aluminum charger case high strength and high hardness coating |
| CN109098005A (en) * | 2018-07-31 | 2018-12-28 | 合肥远科服装设计有限公司 | A kind of coating and preparation method thereof for shell fabric for fire garment |
| CN114477974A (en) * | 2022-01-12 | 2022-05-13 | 安徽瑞泰新材料科技有限公司 | Quick-drying castable for small blast furnace iron runner and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163770A (en) * | 2017-07-04 | 2017-09-15 | 合肥择浚电气设备有限公司 | A kind of machinery antirust paint containing attapulgite and preparation method thereof |
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| CN109098005A (en) * | 2018-07-31 | 2018-12-28 | 合肥远科服装设计有限公司 | A kind of coating and preparation method thereof for shell fabric for fire garment |
| CN114477974A (en) * | 2022-01-12 | 2022-05-13 | 安徽瑞泰新材料科技有限公司 | Quick-drying castable for small blast furnace iron runner and preparation method thereof |
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Application publication date: 20170517 |